flux core or argon/co2??

hey i just got my miller 135 today! question, it came with regulator kit for co2/argon mix. my current welder is a century130 that i have been using straight co2 with. the miller reg directions state mix gas only. i get pretty good welds with the co2, is mix that much better? how bout flux core? this will be primarily for .120 tube. can i get a clean smooth bead with the flux? thanks

You can get good beads with flux core with practice. The worst part about flux core is the little slag BB's it shoots all over the place like stick arc welding. Everything on my truck is flux core welded. I personally really like flux core. I am not into making things look show quality and picture perfect so flux works just fine for me.

If you want pretty beads with little cleanup then use solid wire and gas.

You can get good beads with flux core with practice. The worst part about flux core is the little slag BB's it shoots all over the place like stick arc welding. Everything on my truck is flux core welded. I personally really like flux core. I am not into making things look show quality and picture perfect so flux works just fine for me.

If you want pretty beads with little cleanup then use solid wire and gas.

I run a Miller 135 with .035 flux core and I can eat .120 all day long. My power setting is 4-4.5 out of 10 and about 35-38 on the wire speed. Gotta play with it a little when you have gaps. It is really easy to run my Miller 135 to high for .120 wall tube.

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